update bdk

Signed-off-by: Damien Zhao <zdm65477730@126.com>
This commit is contained in:
Damien Zhao
2022-11-08 22:29:07 +08:00
parent 049845227d
commit f1db80024c
76 changed files with 2567 additions and 1831 deletions

View File

@@ -1,7 +1,7 @@
/*
* BPMP-Lite Cache/MMU and Frequency driver for Tegra X1
*
* Copyright (c) 2019-2020 CTCaer
* Copyright (c) 2019-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -212,43 +212,45 @@ const u8 pll_divn[] = {
//95 // BPMP_CLK_DEV_BOOST: 608MHz 49% - 152MHz APB.
};
bpmp_freq_t bpmp_clock_set = BPMP_CLK_NORMAL;
bpmp_freq_t bpmp_fid_current = BPMP_CLK_NORMAL;
void bpmp_clk_rate_get()
{
bool clk_src_is_pllp = ((CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) >> 4) & 7) == 3;
if (clk_src_is_pllp)
bpmp_clock_set = BPMP_CLK_NORMAL;
bpmp_fid_current = BPMP_CLK_NORMAL;
else
{
bpmp_clock_set = BPMP_CLK_HIGH_BOOST;
bpmp_fid_current = BPMP_CLK_HIGH_BOOST;
u8 pll_divn_curr = (CLOCK(CLK_RST_CONTROLLER_PLLC_BASE) >> 10) & 0xFF;
for (u32 i = 1; i < sizeof(pll_divn); i++)
{
if (pll_divn[i] == pll_divn_curr)
{
bpmp_clock_set = i;
bpmp_fid_current = i;
break;
}
}
}
}
void bpmp_clk_rate_set(bpmp_freq_t fid)
bpmp_freq_t bpmp_clk_rate_set(bpmp_freq_t fid)
{
bpmp_freq_t prev_fid = bpmp_fid_current;
if (fid > (BPMP_CLK_MAX - 1))
fid = BPMP_CLK_MAX - 1;
if (bpmp_clock_set == fid)
return;
if (prev_fid == fid)
return prev_fid;
if (fid)
{
if (bpmp_clock_set)
if (prev_fid)
{
// Restore to PLLP source during PLLC4 configuration.
// Restore to PLLP source during PLLC configuration.
CLOCK(CLK_RST_CONTROLLER_SCLK_BURST_POLICY) = 0x20003333; // PLLP_OUT.
msleep(1); // Wait a bit for clock source change.
}
@@ -269,7 +271,10 @@ void bpmp_clk_rate_set(bpmp_freq_t fid)
// Disable PLLC to save power.
clock_disable_pllc();
}
bpmp_clock_set = fid;
bpmp_fid_current = fid;
// Return old fid in case of temporary swap.
return prev_fid;
}
// The following functions halt BPMP to reduce power while sleeping.

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@@ -1,7 +1,7 @@
/*
* BPMP-Lite Cache/MMU and Frequency driver for Tegra X1
*
* Copyright (c) 2019-2020 CTCaer
* Copyright (c) 2019-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -53,6 +53,7 @@ typedef enum
BPMP_CLK_MAX
} bpmp_freq_t;
#define BPMP_CLK_LOWER_BOOST BPMP_CLK_SUPER_BOOST
#define BPMP_CLK_DEFAULT_BOOST BPMP_CLK_HYPER_BOOST
void bpmp_mmu_maintenance(u32 op, bool force);
@@ -60,7 +61,7 @@ void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply);
void bpmp_mmu_enable();
void bpmp_mmu_disable();
void bpmp_clk_rate_get();
void bpmp_clk_rate_set(bpmp_freq_t fid);
bpmp_freq_t bpmp_clk_rate_set(bpmp_freq_t fid);
void bpmp_usleep(u32 us);
void bpmp_msleep(u32 ms);
void bpmp_halt();

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@@ -58,24 +58,7 @@ void ccplex_boot_cpu0(u32 entry)
else
_ccplex_enable_power_t210b01();
// Enable PLLX and set it to 300 MHz.
if (!(CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) & PLLX_BASE_ENABLE)) // PLLX_ENABLE.
{
CLOCK(CLK_RST_CONTROLLER_PLLX_MISC_3) &= 0xFFFFFFF7; // Disable IDDQ.
usleep(2);
// Bypass dividers.
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = PLLX_BASE_BYPASS | (4 << 20) | (78 << 8) | 2; // P div: 4 (5), N div: 78, M div: 2.
// Disable bypass
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = (4 << 20) | (78 << 8) | 2;
// Set PLLX_LOCK_ENABLE.
CLOCK(CLK_RST_CONTROLLER_PLLX_MISC) = (CLOCK(CLK_RST_CONTROLLER_PLLX_MISC) & 0xFFFBFFFF) | 0x40000;
// Enable PLLX.
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = PLLX_BASE_ENABLE | (4 << 20) | (78 << 8) | 2;
}
// Wait for PLL to stabilize.
while (!(CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) & PLLX_BASE_LOCK))
;
clock_enable_pllx();
// Configure MSELECT source and enable clock to 102MHz.
CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_MSELECT) = (CLOCK(CLK_RST_CONTROLLER_CLK_SOURCE_MSELECT) & 0x1FFFFF00) | 6;

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@@ -279,6 +279,32 @@ void clock_disable_pwm()
clock_disable(&_clock_pwm);
}
void clock_enable_pllx()
{
// Configure and enable PLLX if disabled.
if (!(CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) & PLLX_BASE_ENABLE)) // PLLX_ENABLE.
{
CLOCK(CLK_RST_CONTROLLER_PLLX_MISC_3) &= ~PLLX_MISC3_IDDQ; // Disable IDDQ.
usleep(2);
// Set div configuration.
const u32 pllx_div_cfg = (2 << 20) | (156 << 8) | 2; // P div: 2 (3), N div: 156, M div: 2. 998.4 MHz.
// Bypass dividers.
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = PLLX_BASE_BYPASS | pllx_div_cfg;
// Disable bypass
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = pllx_div_cfg;
// Set PLLX_LOCK_ENABLE.
CLOCK(CLK_RST_CONTROLLER_PLLX_MISC) |= PLLX_MISC_LOCK_EN;
// Enable PLLX.
CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) = PLLX_BASE_ENABLE | pllx_div_cfg;
}
// Wait for PLL to stabilize.
while (!(CLOCK(CLK_RST_CONTROLLER_PLLX_BASE) & PLLX_BASE_LOCK))
;
}
void clock_enable_pllc(u32 divn)
{
u8 pll_divn_curr = (CLOCK(CLK_RST_CONTROLLER_PLLC_BASE) >> 10) & 0xFF;
@@ -757,15 +783,25 @@ u32 clock_get_osc_freq()
u32 clock_get_dev_freq(clock_pto_id_t id)
{
u32 val = ((id & PTO_SRC_SEL_MASK) << PTO_SRC_SEL_SHIFT) | PTO_DIV_SEL_DIV1 | PTO_CLK_ENABLE | (16 - 1); // 16 periods of 32.76KHz window.
const u32 pto_win = 16;
const u32 pto_osc = 32768;
u32 val = ((id & PTO_SRC_SEL_MASK) << PTO_SRC_SEL_SHIFT) | PTO_DIV_SEL_DIV1 | PTO_CLK_ENABLE | (pto_win - 1);
CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL) = val;
(void)CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL);
usleep(2);
CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL) = val | PTO_CNT_RST;
(void)CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL);
usleep(2);
CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL) = val;
(void)CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL);
usleep(2);
CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL) = val | PTO_CNT_EN;
usleep(502);
(void)CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL);
usleep((1000000 * pto_win / pto_osc) + 12 + 2);
while (CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_STATUS) & PTO_CLK_CNT_BUSY)
;
@@ -773,9 +809,11 @@ u32 clock_get_dev_freq(clock_pto_id_t id)
u32 cnt = CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_STATUS) & PTO_CLK_CNT;
CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL) = 0;
(void)CLOCK(CLK_RST_CONTROLLER_PTO_CLK_CNT_CNTL);
usleep(2);
u32 freq = ((cnt << 8) | 0x3E) / 125;
u32 freq_khz = (u64)cnt * pto_osc / pto_win / 1000;
return freq;
return freq_khz;
}

View File

@@ -167,6 +167,8 @@
#define PLLX_BASE_REF_DIS BIT(29)
#define PLLX_BASE_ENABLE BIT(30)
#define PLLX_BASE_BYPASS BIT(31)
#define PLLX_MISC_LOCK_EN BIT(18)
#define PLLX_MISC3_IDDQ BIT(3)
#define PLLCX_BASE_LOCK BIT(27)
#define PLLCX_BASE_REF_DIS BIT(29)
@@ -215,7 +217,7 @@
#define OSC_FREQ_DET_BUSY BIT(31)
#define OSC_FREQ_DET_CNT 0xFFFF
/*! PLLs omitted as they need PTO enabled in MISC registers. Norm div is 2. */
/*! PTO IDs. */
typedef enum _clock_pto_id_t
{
CLK_PTO_PCLK_SYS = 0x06,
@@ -239,6 +241,9 @@ typedef enum _clock_pto_id_t
CLK_PTO_SDMMC4 = 0x23,
CLK_PTO_EMC = 0x24,
CLK_PTO_CCLK_LP = 0x2B,
CLK_PTO_CCLK_LP_DIV2 = 0x2C,
CLK_PTO_MSELECT = 0x2F,
CLK_PTO_VIC = 0x36,
@@ -321,6 +326,32 @@ typedef enum _clock_pto_id_t
CLK_PTO_XUSB_SS_HOST_DEV = 0x137,
CLK_PTO_XUSB_CORE_HOST = 0x138,
CLK_PTO_XUSB_CORE_DEV = 0x139,
/*
* PLL need PTO enabled in MISC registers.
* Normal div is 2 so result is multiplied with it.
*/
CLK_PTO_PLLC_DIV2 = 0x01,
CLK_PTO_PLLM_DIV2 = 0x02,
CLK_PTO_PLLP_DIV2 = 0x03,
CLK_PTO_PLLA_DIV2 = 0x04,
CLK_PTO_PLLX_DIV2 = 0x05,
CLK_PTO_PLLMB_DIV2 = 0x25,
CLK_PTO_PLLC4_DIV2 = 0x51,
CLK_PTO_PLLA1_DIV2 = 0x55,
CLK_PTO_PLLC2_DIV2 = 0x58,
CLK_PTO_PLLC3_DIV2 = 0x5A,
CLK_PTO_PLLD_DIV2 = 0xCB,
CLK_PTO_PLLD2_DIV2 = 0xCD,
CLK_PTO_PLLDP_DIV2 = 0xCF,
CLK_PTO_PLLU_DIV2 = 0x10D,
CLK_PTO_PLLREFE_DIV2 = 0x10F,
} clock_pto_id_t;
/*
@@ -628,6 +659,7 @@ void clock_enable_coresight();
void clock_disable_coresight();
void clock_enable_pwm();
void clock_disable_pwm();
void clock_enable_pllx();
void clock_enable_pllc(u32 divn);
void clock_disable_pllc();
void clock_enable_pllu();

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@@ -2,7 +2,7 @@
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 shuffle2
* Copyright (c) 2018 balika011
* Copyright (c) 2019-2020 CTCaer
* Copyright (c) 2019-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -19,11 +19,15 @@
#include <string.h>
#include <sec/se.h>
#include <sec/se_t210.h>
#include <soc/fuse.h>
#include <soc/hw_init.h>
#include <soc/t210.h>
#include <utils/types.h>
extern boot_cfg_t b_cfg;
static const u32 evp_thunk_template[] = {
0xe92d0007, // STMFD SP!, {R0-R2}
0xe1a0200e, // MOV R2, LR
@@ -90,7 +94,7 @@ u32 fuse_read_dramid(bool raw_id)
}
else
{
if (dramid > 27)
if (dramid > 28)
dramid = 8;
}
@@ -111,26 +115,43 @@ u32 fuse_read_hw_type()
{
switch ((fuse_read_odm(4) & 0xF0000) >> 16)
{
case 1:
return FUSE_NX_HW_TYPE_IOWA;
case 2:
return FUSE_NX_HW_TYPE_HOAG;
case 4:
return FUSE_NX_HW_TYPE_AULA;
case 1:
default:
return FUSE_NX_HW_TYPE_IOWA;
}
}
return FUSE_NX_HW_TYPE_ICOSA;
}
u8 fuse_count_burnt(u32 val)
int fuse_set_sbk()
{
u8 burnt_fuses = 0;
for (u32 i = 0; i < 32; i++)
// Skip SBK/SSK if sept was run.
bool sbk_skip = b_cfg.boot_cfg & BOOT_CFG_SEPT_RUN || FUSE(FUSE_PRIVATE_KEY0) == 0xFFFFFFFF;
if (!sbk_skip)
{
if ((val >> i) & 1)
burnt_fuses++;
// Read SBK from fuses.
u32 sbk[4] = {
FUSE(FUSE_PRIVATE_KEY0),
FUSE(FUSE_PRIVATE_KEY1),
FUSE(FUSE_PRIVATE_KEY2),
FUSE(FUSE_PRIVATE_KEY3)
};
// Set SBK to slot 14.
se_aes_key_set(14, sbk, SE_KEY_128_SIZE);
// Lock SBK from being read.
se_key_acc_ctrl(14, SE_KEY_TBL_DIS_KEYREAD_FLAG);
return 1;
}
return burnt_fuses;
return 0;
}
void fuse_wait_idle()

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@@ -2,7 +2,7 @@
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 shuffle2
* Copyright (c) 2018 balika011
* Copyright (c) 2019-2020 CTCaer
* Copyright (c) 2019-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -82,7 +82,8 @@ enum
{
FUSE_NX_HW_TYPE_ICOSA,
FUSE_NX_HW_TYPE_IOWA,
FUSE_NX_HW_TYPE_HOAG
FUSE_NX_HW_TYPE_HOAG,
FUSE_NX_HW_TYPE_AULA
};
enum
@@ -97,7 +98,7 @@ u32 fuse_read_odm_keygen_rev();
u32 fuse_read_dramid(bool raw_id);
u32 fuse_read_hw_state();
u32 fuse_read_hw_type();
u8 fuse_count_burnt(u32 val);
int fuse_set_sbk();
void fuse_wait_idle();
int fuse_read_ipatch(void (*ipatch)(u32 offset, u32 value));
int fuse_read_evp_thunk(u32 *iram_evp_thunks, u32 *iram_evp_thunks_len);

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@@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018-2020 CTCaer
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -42,11 +42,23 @@
#include <storage/nx_sd.h>
#include <storage/sdmmc.h>
#include <thermal/fan.h>
#include <thermal/tmp451.h>
#include <utils/util.h>
extern boot_cfg_t b_cfg;
extern volatile nyx_storage_t *nyx_str;
u32 hw_rst_status;
u32 hw_rst_reason;
u32 hw_get_chip_id()
{
if (((APB_MISC(APB_MISC_GP_HIDREV) >> 4) & 0xF) >= GP_HIDREV_MAJOR_T210B01)
return GP_HIDREV_MAJOR_T210B01;
else
return GP_HIDREV_MAJOR_T210;
}
/*
* CLK_OSC - 38.4 MHz crystal.
* CLK_M - 19.2 MHz (osc/2).
@@ -56,14 +68,6 @@ extern volatile nyx_storage_t *nyx_str;
* PCLK - 68MHz init (-> 136MHz -> OC/4).
*/
u32 hw_get_chip_id()
{
if (((APB_MISC(APB_MISC_GP_HIDREV) >> 4) & 0xF) >= GP_HIDREV_MAJOR_T210B01)
return GP_HIDREV_MAJOR_T210B01;
else
return GP_HIDREV_MAJOR_T210;
}
static void _config_oscillators()
{
CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) = (CLOCK(CLK_RST_CONTROLLER_SPARE_REG0) & 0xFFFFFFF3) | 4; // Set CLK_M_DIVISOR to 2.
@@ -87,6 +91,7 @@ static void _config_oscillators()
CLOCK(CLK_RST_CONTROLLER_CLK_SYSTEM_RATE) = 2; // Set HCLK div to 1 and PCLK div to 3.
}
// The uart is skipped for Copper, Hoag and Calcio. Used in Icosa, Iowa and Aula.
static void _config_gpios(bool nx_hoag)
{
// Clamp inputs when tristated.
@@ -248,36 +253,25 @@ static void _mbist_workaround()
static void _config_se_brom()
{
// Enable fuse clock.
// Enable Fuse visibility.
clock_enable_fuse(true);
// Skip SBK/SSK if sept was run.
bool sbk_skip = b_cfg.boot_cfg & BOOT_CFG_SEPT_RUN || FUSE(FUSE_PRIVATE_KEY0) == 0xFFFFFFFF;
if (!sbk_skip)
{
// Bootrom part we skipped.
u32 sbk[4] = {
FUSE(FUSE_PRIVATE_KEY0),
FUSE(FUSE_PRIVATE_KEY1),
FUSE(FUSE_PRIVATE_KEY2),
FUSE(FUSE_PRIVATE_KEY3)
};
// Set SBK to slot 14.
se_aes_key_set(14, sbk, 0x10);
// Try to set SBK from fuses. If patched, skip.
fuse_set_sbk();
// Lock SBK from being read.
se_key_acc_ctrl(14, SE_KEY_TBL_DIS_KEYREAD_FLAG);
// Lock SSK (although it's not set and unused anyways).
se_key_acc_ctrl(15, SE_KEY_TBL_DIS_KEYREAD_FLAG);
}
// Lock SSK (although it's not set and unused anyways).
// se_key_acc_ctrl(15, SE_KEY_TBL_DIS_KEYREAD_FLAG);
// This memset needs to happen here, else TZRAM will behave weirdly later on.
memset((void *)TZRAM_BASE, 0, 0x10000);
memset((void *)TZRAM_BASE, 0, SZ_64K);
PMC(APBDEV_PMC_CRYPTO_OP) = PMC_CRYPTO_OP_SE_ENABLE;
SE(SE_INT_STATUS_REG_OFFSET) = 0x1F;
SE(SE_INT_STATUS_REG) = 0x1F; // Clear all SE interrupts.
// Clear the boot reason to avoid problems later
// Save reset reason.
hw_rst_status = PMC(APBDEV_PMC_SCRATCH200);
hw_rst_reason = PMC(APBDEV_PMC_RST_STATUS) & PMC_RST_STATUS_MASK;
// Clear the boot reason to avoid problems later.
PMC(APBDEV_PMC_SCRATCH200) = 0x0;
PMC(APBDEV_PMC_RST_STATUS) = 0x0;
APB_MISC(APB_MISC_PP_STRAPPING_OPT_A) = (APB_MISC(APB_MISC_PP_STRAPPING_OPT_A) & 0xF0) | (7 << 10);
@@ -350,7 +344,7 @@ void hw_init()
// Enable Security Engine clock.
clock_enable_se();
// Enable Fuse clock.
// Enable Fuse visibility.
clock_enable_fuse(true);
// Disable Fuse programming.
@@ -419,19 +413,18 @@ void hw_init()
bpmp_mmu_enable();
}
void hw_reinit_workaround(bool coreboot, u32 magic)
void hw_reinit_workaround(bool coreboot, u32 bl_magic)
{
// Disable BPMP max clock.
bpmp_clk_rate_set(BPMP_CLK_NORMAL);
#ifdef NYX
// Deinit touchscreen, 5V regulators and Joy-Con.
touch_power_off();
// Disable temperature sensor, touchscreen, 5V regulators and Joy-Con.
tmp451_end();
set_fan_duty(0);
touch_power_off();
jc_deinit();
regulator_5v_disable(REGULATOR_5V_ALL);
clock_disable_uart(UART_B);
clock_disable_uart(UART_C);
#endif
// Flush/disable MMU cache and set DRAM clock to 204MHz.
@@ -460,11 +453,22 @@ void hw_reinit_workaround(bool coreboot, u32 magic)
PMC(APBDEV_PMC_NO_IOPOWER) &= ~(PMC_NO_IOPOWER_SDMMC1_IO_EN);
}
// Power off display.
display_end();
// Seamless display or display power off.
switch (bl_magic)
{
case BL_MAGIC_CRBOOT_SLD:;
// Set pwm to 0%, switch to gpio mode and restore pwm duty.
u32 brightness = display_get_backlight_brightness();
display_backlight_brightness(0, 1000);
gpio_config(GPIO_PORT_V, GPIO_PIN_0, GPIO_MODE_GPIO);
display_backlight_brightness(brightness, 0);
break;
default:
display_end();
}
// Enable clock to USBD and init SDMMC1 to avoid hangs with bad hw inits.
if (magic == 0xBAADF00D)
if (bl_magic == BL_MAGIC_BROKEN_HWI)
{
CLOCK(CLK_RST_CONTROLLER_CLK_ENB_L_SET) = BIT(CLK_L_USBD);
sdmmc_init(&sd_sdmmc, SDMMC_1, SDMMC_POWER_3_3, SDMMC_BUS_WIDTH_1, SDHCI_TIMING_SD_ID, 0);

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@@ -1,6 +1,6 @@
/*
* Copyright (c) 2018 naehrwert
* Copyright (c) 2018 CTCaer
* Copyright (c) 2018-2021 CTCaer
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -20,6 +20,12 @@
#include <utils/types.h>
#define BL_MAGIC_CRBOOT_SLD 0x30444C53 // SLD0, seamless display type 0.
#define BL_MAGIC_BROKEN_HWI 0xBAADF00D // Broken hwinit.
extern u32 hw_rst_status;
extern u32 hw_rst_reason;
void hw_init();
void hw_reinit_workaround(bool coreboot, u32 magic);
u32 hw_get_chip_id();

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@@ -60,6 +60,13 @@
#define APBDEV_PMC_CLK_OUT_CNTRL 0x1A8
#define PMC_CLK_OUT_CNTRL_CLK1_FORCE_EN BIT(2)
#define APBDEV_PMC_RST_STATUS 0x1B4
#define PMC_RST_STATUS_MASK 0x7
#define PMC_RST_STATUS_POR 0
#define PMC_RST_STATUS_WATCHDOG 1
#define PMC_RST_STATUS_SENSOR 2
#define PMC_RST_STATUS_SW_MAIN 3
#define PMC_RST_STATUS_LP0 4
#define PMC_RST_STATUS_AOTAG 5
#define APBDEV_PMC_IO_DPD_REQ 0x1B8
#define PMC_IO_DPD_REQ_DPD_OFF BIT(30)
#define APBDEV_PMC_IO_DPD2_REQ 0x1C0

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@@ -122,7 +122,12 @@ u32 uart_get_IIR(u32 idx)
{
uart_t *uart = (uart_t *)(UART_BASE + uart_baseoff[idx]);
return uart->UART_IIR_FCR;
u32 iir = uart->UART_IIR_FCR & UART_IIR_INT_MASK;
if (iir & UART_IIR_NO_INT)
return 0;
else
return ((iir >> 1) + 1); // Return encoded interrupt.
}
void uart_set_IIR(u32 idx)

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@@ -54,6 +54,17 @@
#define UART_IIR_FCR_RX_CLR 0x2
#define UART_IIR_FCR_EN_FIFO 0x1
#define UART_IIR_NO_INT BIT(0)
#define UART_IIR_INT_MASK 0xF
/* Custom returned interrupt results. Actual interrupts are -1 */
#define UART_IIR_NOI 0 // No interrupt.
#define UART_IIR_MSI 1 // Modem status interrupt.
#define UART_IIR_THRI 2 // Transmitter holding register empty.
#define UART_IIR_RDI 3 // Receiver data interrupt.
#define UART_IIR_ERROR 4 // Overrun Error, Parity Error, Framing Error, Break.
#define UART_IIR_REDI 5 // Receiver end of data interrupt.
#define UART_IIR_RDTI 7 // Receiver data timeout interrupt.
#define UART_MCR_RTS 0x2
#define UART_MCR_DTR 0x1